Search Results - "Shimizu, Masakata"

Preface to the Special Issue on “Innovative Reduction Technology of Iron Ore for Mitigation of CO2 Emission in Ironmaking” by Shimizu, Masakata

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Kinetic Study on the Reduction Reaction of Biomass-Tar-Infiltrated Iron Ore by Hosokai, Sou, Matsui, Kosuke, Okinaka, Noriyuki, Ohno, Ko-ichiro, Shimizu, Masakata, Akiyama, Tomohiro

“…This work describes a new biomass ironmaking that uses low-grade iron ore and woody biomass for promoting the direct reduction of a nanoporous iron ore…”
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Reaction behavior during heating biomass materials and iron oxide composites by Ueki, Yasuaki, Yoshiie, Ryo, Naruse, Ichiro, Ohno, Ko-ichiro, Maeda, Takayuki, Nishioka, Koki, Shimizu, Masakata

“…Effective utilization of biomass materials as a reducing agent in the ironmaking process is one of the key technologies for environmental protection. In this…”
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Numerical Study on Pulverized Biochar Injection in Blast Furnace by Wijayanta, Agung Tri, Alam, Md. Saiful, Nakaso, Koichi, Fukai, Jun, Kunitomo, Kazuya, Shimizu, Masakata

“…The possibility of injecting pulverized biochar instead of conventional pulverized coal in blast furnace ironmaking was investigated numerically. More detailed…”
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Development of Secondary-fuel Injection Technology for Energy Reduction in the Iron Ore Sintering Process by Oyama, Nobuyuki, Iwami, Yuji, Yamamoto, Tetsuya, Machida, Satoshi, Higuchi, Takahide, Sato, Hideaki, Sato, Michitaka, Takeda, Kanji, Watanabe, Yoshinori, Shimizu, Masakata, Nishioka, Koki

“…JFE Steel Corporation developed the hydrogen-based gas fuel injection technology for sintering machines to improve sinter quality without increasing coke…”
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Combustion Rate of Coke in Quasi-particle at Iron Ore Sintering Process by Ohno, Ko-ichiro, Noda, Keigo, Nishioka, Koki, Maeda, Takayuki, Shimizu, Masakata

“…Temperature distribution in layer of the iron ore sintering process is one of the most important factors to decide the sinter quality. To estimate the…”
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Effect of Coke Combustion Rate Equation on Numerical Simulation of Temperature Distribution in Iron Ore Sintering Process by Ohno, Ko-ichiro, Noda, Keigo, Nishioka, Koki, Maeda, Takayuki, Shimizu, Masakata

“…It is thought that numerical simulation model for estimation of temperature distribution in the iron ore sintering process is useful tool for stable operation…”
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Effect of Particle Size of Iron Ore and Coke on Granulation Property of Quasi-Particle by Maeda, Takayuki, Kikuchi, Ryota, Ohno, Ko-ichiro, Shimizu, Masakata, Kunitomo, Kazuya

“…In order to evaluate quantitatively the distribution of coke breeze in the quasi-particles, the granulation experiment was carried out by using limonite iron…”
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Effects of Charcoal Carbon Crystallinity and Ash Content on Carbon Dissolution in Molten Iron and Carburization Reaction in Iron-Charcoal Composite by Ohno, Ko-ichiro, Babich, Alexander, Mitsue, Junki, Maeda, Takayuki, Senk, Dieter, Gudenau, Heinrich Wilhelm, Shimizu, Masakata

“…Charcoal use instead of fossil fuel is one of the possible technologies for mitigation of CO2 emission in the steel industry because charcoal can be considered…”
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Effect of Granulation Condition and Property of Raw Material on Strength of Granulated Particle by Tumbling Granulation by Maeda, Takayuki, Nishioka, Koki, Shimizu, Masakata

“…In order to clarify the factors on strength of granules for iron ore sinter, especially made of limonite iron ore, the effects of porosity, moisture and…”
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Effect of CO Gas Concentration on Reduction Rate of Major Mineral Phase in Sintered Iron Ore by Noguchi, Daisuke, Ohno, Ko-ichiro, Maeda, Takayuki, Nishioka, Kouki, Shimizu, Masakata

“…As a fundamental study for clarifying the reduction phenomena of iron ore sinter in blast furnace, iron oxide (H) and quaternary calcium ferrite (Cf) were…”
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Effect of Slag Melting Behavior on Metal-Slag Separation Temperature in Powdery Iron, Slag and Carbon Mixture by Ohno, Ko-ichiro, Kaimoto, Masashi, Maeda, Takayuki, Nishioka, Koki, Shimizu, Masakata

“…Utilization of self reducing pellet in blast furnace is one of the effective technologies to mitigate the CO2 emissions in the steel industry. However, there…”
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Kinetics of Reduction Step of Wustite to Iron of Hematite and Quaternary Calcium Ferrite Mixtures by Noguchi, Daisuke, Ohno, Ko-ichiro, Maeda, Takayuki, Nishioka, Kouki, Shimizu, Masakata

“…As a fundamental study for clarifying the reduction phenomena of sintered ore in a blast furnace, mixtures of iron oxide and quaternary calcium ferrite (Cf)…”
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Effect of Carbon Structure Crystallinity on Initial Stage of Iron Carburization by Ohno, Ko-ichiro, Maeda, Takayuki, Nishioka, Koki, Shimizu, Masakata

“…Iron carburization is one of the most important reactions in iron making process. If the rate and efficiency of carburization reaction are increased, energy…”
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Optimized combustion of biomass volatiles by varying O2 and CO2 levels: A numerical simulation using a highly detailed soot formation reaction mechanism by Wijayanta, Agung Tri, Saiful Alam, Md, Nakaso, Koichi, Fukai, Jun, Shimizu, Masakata

“…► Optimized combustion of biomass volatiles by varying O2 and CO2 levels was studied. ► Effect of temperature on product concentration was more emphasized than…”
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A Three-dimensional Mathematical Modelling of Drainage Behavior in Blast Furnace Hearth by NISHIOKA, Koki, MAEDA, Takayuki, SHIMIZU, Masakata

“…Stable blast furnace operation is required to reduce energy consumption in iron and steelmaking industry. For the stable blast furnace operation, precise…”
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Effect of Various In-furnace Conditions on Blast Furnace Hearth Drainage by NISHOKA, Koki, MAEDA, Takayuki, SHIMIZU, Masakata

“…Stable blast furnace operation is required to reduce energy consumption and CO2 emission in iron and steelmaking industry. For the stable blast furnace…”
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Application of Square-wave Pulse Heat Method to Thermal Properties Measurement of CaO–SiO2–Al2O3 System Fluxes by Nishioka, Koki, Maeda, Takayuki, Shimizu, Masakata

“…The square-wave pulse heat method was improved to measure thermal properties of vitreous samples by considering radiation heat transfer between the front and…”
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Development of Fe Base Phase Change Materials for High Temperature Using Solid–Solid Transformation by Nishioka, Koki, Suura, Naoyuki, Ohno, Ko-ichiro, Maeda, Takayuki, Shimizu, Masakata

“…Fe base Phase Change Materials (PCM) for high temperature around 953–1273 K using multiple solid–solid transformations were developed. The amount of latent…”
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Modeling of Dripping Behavior in Particles Packed Bed Filled with Immiscible Fluid by Nishioka, Koki, Fujiwara, Daiki, Ohno, Ko-ichiro, Maeda, Takayuki, Shimizu, Masakata

“…Cold model experiments were conducted to investigate the dripping behavior of molten iron in the coke packed bed filled with molten slag. The dripping behavior…”
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